The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1993)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2000)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2003)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2005)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2006)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2007)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2008)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2009)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2010)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2011)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2014)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1860)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1868)

The Canadian naturalist and quarterly journal of science : with proceedings of the Natural History Society of Montreal - Natural History Society of Montreal. (Dawson, 1869)

The Canadian naturalist and quarterly journal of science : with proceedings of the Natural History Society of Montreal - Natural History Society of Montreal. (Dawson, 1878)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1890)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1892)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1894)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1915)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1916)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1921)

Cascade-Siskiyou National Monument : draft resource management plan/environmental impact statement - United States. Bureau of Land Management. Medford District. (U.S. Department of the Interior, Bureau of Land Management, Medford District Office, 2002)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1916)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1917)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 1999)

Castlemaine Naturalist - Australia (Castlemaine Field Naturalists Club, 1978)

Castlemaine Naturalist - Australia (Castlemaine Field Naturalists Club, 1988)

Castlemaine Naturalist - Australia (Castlemaine Field Naturalists Club, 1989)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catalech de insectes de Catalunya ... - Antiga i Suñer, Pere, 1854 -1904 (tip. "l'Avenç", 1902)

Catalog of Ohio vascular plants : arranged according to the phyletic classification : with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State University - Schaffner, John H. (John Henry), 1866 -1939 (Ohio State University, 1914)

Catalog of Ohio vascular plants, arranged according to the phyletic classification; with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State University - Schaffner, John H. (John Henry), 1866 -1939 (The Ohio State University, 1914)

Catalogo de las plantas que espontáneamente crecen en el valle de Vertizarana - Lacoizqueta, José Maria de. (1883)

Catalogue de la flore des iles Açores, précédé de l'itinéraire d'un voyage dans cet archipel - Drouët, Henri, 1829 -1900 (Baillière, 1866)

Catalogue des coléoptères de la chaîne des Vosges et des régions limitrophes - Bourgeois, Jules, 1847 -1911 (Decker, 1909)

Catalogue des coléoptères de la chaîne des Vosges et des régions limitrophes - Bourgeois, Jules, 1847 -1911 (Decker, 1913)

Catalogue des graines : récoltées en ... et offertes en échange - Jardin des plantes de Nantes. (Jardin des plantes, 1933)

Catalogue des hémiptères du département du Nord / par L. Lethierry - Lethierry, Lucien François, 1830 -1894 (L. Danel, 1874)

Catalogue des hémiptères du département du Nord / par M. Lethierry - Lethierry, Lucien François, 1830 -1894 (Société des Sciences, de lAgriculture et des Arts de Lille, 1869)

Catalogue des lépidoptères du Département du Puy-de-Dome - Guillemot, Antoine. (Impr. de Thibaud-Landriot, 1854)

Catalogue descriptif des arbres, arbustes, arbrisseaux et sous-arbrisseaux indigènes ou naturalisés en Suisse : suivi d'un dictionnaire des principaux noms vulgaires donnés dans la suisse romande, à différentes plantes avec leurs synonymes français et latins - Empeyta, Eugène. (Impr. J. Carey, 1887)

[Catalogue of Michigan plants] - Engelmann, George, 1809 -1884 (s.n, 1865)

Catalogue of phaenogamous and acrogenous plants found growing wild in the lower peninsula of Michigan and the islands at the head of Lake Huron - Winchell, N. H. 1839 -1914 (Hosmer & Kerr, Printers to the State, 1861)

Catalogue of plants found in New Jersey - Britton, Nathaniel Lord, 1859 -1934 (John L. Murphy Pub. Co, 1889)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1894)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1914)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1918)

A catalogue of the butterflies known to occur in Indiana / by W. S. Blatchley - Blatchley, W. S. (Willis Stanley), 1859 -1940 (s.n, 1891)

A catalogue of the Coccidæ of the world - Fernald, Maria E. Mrs., (Elizabeth Smith), 1839 -1919 (Carpenter & Morehouse, 1903)

Catalogue of the economic products of the Presidency of Bombay : being a catalogue of the Government Central Museum, Division 1., Raw produce (vegetable) - Birdwood, George C. M. (George Christopher Molesworth), 1832 -1917 (Printed at the Education Society's Press, 1862)

Catalogue of the flora of Missouri - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

Catalogue of the phaenogamous plants of Evanston and vicinity, for 1883 - Raddin, Charles S. (R. Vandercook, Printer, 1883)

Catalogue of the plants found in New Bedford and its vicinity; arranged according to the season of their flowering - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony, 1860)

A catalogue of the plants found in New Bedford and its vicinity : arranged according to the season of their flowering - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (Press of E. Anthony, 1860)

Catalogue of the vascular plants of Ecuador = Catálogo de las plantas vasculares del Ecuador - González, Amada Pedroni. (Missouri Botanical Garden Press, 1999)

A catalogue of trees, shrubs and herbaceous plants, indigenous to the United States of America - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Printed by Bartram and Reynolds, 1807)

Catalogue of trees, shrubs, and herbaceous plants, indigenous to the United States of America - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Printed by Robert & William Carr, 1814)

Catalogue raisonné des plantes du département de l'Yonne - Ravin, E. (Perriquet et Rouillé, 1861)

Catalogue raisonné des plantes observées jusqu'à ce jour qui croissent naturellement dans le département de l'Aube - Briard, Pierre, 1811 -1896 (Dufour-Bouquot, 1881)

Catalogue systématique des lépidoptères de l'Andalousie - Rambur, P., 1801 -1870 (J.B. Baillière, 1858)

A Catskill flora and economic botany - Brooks, Karl L. (University of the State of New York, State Education Dept, 1979)

A Catskill flora and economic botany - Brooks, Karl L. (University of the State of New York, State Education Dept, 1980)

The Cayuga flora. Part I, A catalogue of the phaenogamia growing without cultivation in the Cayuga Lake basin - Dudley, William Russel, 1849 -1911 (Andrus & Church, 1886)

C.E. Hobb's botanical hand-book of common local, English, botanical and pharmacopoeial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use : especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

C.E. Hobbs' Botanical hand-book : of common local, English, botanical and pharmacopœial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use : their properties, productions and uses in an abbreviated form : especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

The cell in development and heredity - Wilson, Edmund B. (Edmund Beecher), 1856 -1939 (The Macmillan Co, 1928)

The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project - Illinois. Dept. of Energy; Natural Resources. (Ill. Dept. of Energy and Natural Resources, 1994)

The Chautauqua flora : a catalogue of the plants of Chautauqua Co., New York, native or naturalized ; extending through the cryptogamous plants, to the end of the Hepaticae - Burgess, Edward Sandford, 1855 -1928 ([E.S. Burgess?], 1877)

Check list of plants housed in the Forest Service, Southern Region, Herbarium - United States. Forest Service. Southern Region. Herbarium. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1982)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

A checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1986)

Checklist of plants of the Ottawa District - Gillett, John M. (John Montague), 1918 -2014 (1958)

Checklist of the vascular plants of Alabama from the John D. Freeman Herbarium and the University of Alabama Herbarium - Morton, Cynthia M. (Carnegie Museum of Natural History, 2002)

Checklist of the vascular plants of Steamboat Mountain Research Natural Area - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981)

Checklist of the vascular plants of the intermountain region - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1966)

Checklist of vascular plants of the Ottawa-Hull region, Canada = Liste des plantes vasculaires de la râegion d'Ottawa-Hull, Canada - Gillett, John M. (John Montague), 1918 -2014 (National Museum of Natural Sciences, National Museums of Canada, 1978)

Checklist of vascular plants of the Southern Rocky Mountain Region - Snow, Neil Wilton (2009)

Chloris platensis argentina - Hicken, Cristóbal M. (Cristóbal María), 1875 -1933 (J.A. Alsina, 1910)

Chronological history of plants : man's record of his own existence illustrated through their names, uses, and companionship - Pickering, Charles, 1805 -1878 (Little, Brown & company, 1879)

Chronological history of plants: man's record of his own existence illustrated through their names, uses, and companionship - Pickering, Charles, 1805 -1878 (Little, Brown & company, 1879)

The Circulator : a Magazine of Literature, Science & Art - Haley Hill Literary; Scientific Society. (1866)

Coefficient of conservatism rankings for the flora of Montana. report to the Montana Department of Environmental Quality, Helena, Montana Part I - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2015)

Coefficient of conservatism rankings for the flora of Montana Part II - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2016)

Coefficient of conservatism rankings for the flora of Montana Part III - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2017)

Coleoptera Neerlandica : de schildvleugelige insecten van Nederland en het aangrenzend gebied - Everts, Edouard Jacques Guillaume, 1849 -1932 (Nijhoff, 1922)

The Coleoptera of the British islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc - Donisthorpe, Horace St. John Kelly (L. Reeve & co, 1891)

The Coleoptera of the British islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc - Donisthorpe, Horace St. John Kelly (L. Reeve & co, 1913)

Collected papers on ants - Wheeler, William Morton, 1865 -1937 (1905)

[Collected reprints, 1895-1916 - Beal, F. E. L. (Foster Ellenborough Lascelles), 1840 -1916 (s.n, 1900)

College botany, structure, physiology and economics of plants - Cook, Melville Thurston, 1869 -1952 (Lippincott, 1920)

College botany; structure, physiology and economics of plants - Cook, Melville Thurston, 1869 -1952 (J. B. Lippincott Company, 1920)

A college textbook of pharmaceutical botany : with pharmaceutical and medical applications, especially adapted for the use of students of pharmacy and economic botany and as a reference for pharmacists, chemists and students in structural and systematic botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's Son, 1918)

Commercial feeding stuffs of the United States: their chemical and microscopical examination - Haywood, J. K. (John Kerfoot), 1873 -1928 (Govt. Print. Off, 1908)

Common and scientific names of weeds in Canada = Noms populaires et scientifiques des plantes nuisibles du Canada - Darbyshire, S. J. (Agriculture and Agri-Food Canada = Agriculture et agroalimentaire Canada, 2000)

The common spiders of the United States - Emerton, J. H. (James Henry), 1847 -1930 (Ginn & Company, 1902)

Common weeds of the Canadian Prairies - Canada. Department of Agriculture. Research Branch. (Queen's Printer, 1963)

Common weeds of the United States - United States. Agricultural Research Service. (Dover Publications, 1971)

A companion for the Queensland student of plant life - Bailey, Frederick Manson 1827 -1915 (James C. Beal, govt. printer, 1893)

Compendium florae Belgicae - Courtois, Richard Joseph, 1806 -1835 (Apud P. J. Collardin, 1828)

Compendium of plant disease and decay fungi in Canada, 1960-1980 - Ginns, J. H. (James Herbert) (Research Branch, Agriculture Canada, 1986)

The complete book of British butterflies - Frohawk, Frederick William, 1861 -1946 (Ward, Lock, 1934)

The complete garden - Cooper, Gordon D. (Garden City Publishing co, 1921)

The complete garden - Cooper, Gordon D. (Doubleday, Page, 1921)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1910)

Compte rendu du Congrès international d'essais de semences. Discussions at the International Seed Testing Conference. Verhandlungen der Internationalen Konferenz für Samenprüfung à/in Copenhague (Danemark), 6.- 10. VI. 1921 - Dorph-Petersen, Knud, 1872 - (1922)

Compte rendu du Congres international d'essais de semences (Druck von Lutcke & Wulff], 1922)

Comptes-rendus des séances de la Société entomologique de Belgique - Société entomologique de Belgique. (La Société, 1884)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2006)